stack-editor: don't update value if it's not changed
stack-editor: don't update value if it's not changed

usirin/koding,gokmen/koding,szkl/koding,usirin/koding,acbodine/koding,szkl/koding,mertaytore/koding,usirin/koding,andrewjcasal/koding,gokmen/koding,drewsetski/koding,jack89129/koding,sinan/koding,acbodine/koding,cihangir/koding,szkl/koding,gokmen/koding,gokmen/koding,acbodine/koding,alex-ionochkin/koding,koding/koding,mertaytore/koding,kwagdy/koding-1,gokmen/koding,acbodine/koding,rjeczalik/koding,drewsetski/koding,alex-ionochkin/koding,alex-ionochkin/koding,sinan/koding,kwagdy/koding-1,szkl/koding,cihangir/koding,usirin/koding,mertaytore/koding,alex-ionochkin/koding,kwagdy/koding-1,mertaytore/koding,jack89129/koding,drewsetski/koding,alex-ionochkin/koding,mertaytore/koding,gokmen/koding,szkl/koding,jack89129/koding,sinan/koding,kwagdy/koding-1,jack89129/koding,drewsetski/koding,szkl/koding,mertaytore/koding,szkl/koding,cihangir/koding,sinan/koding,jack89129/koding,acbodine/koding,mertaytore/koding,cihangir/koding,gokmen/koding,rjeczalik/koding,sinan/koding,koding/koding,usirin/koding,cihangir/koding,koding/koding,rjeczalik/koding,acbodine/koding,andrewjcasal/koding,acbodine/koding,alex-ionochkin/koding,drewsetski/koding,gokmen/koding,andrewjcasal/koding,cihangir/koding,andrewjcasal/koding,rjeczalik/koding,sinan/koding,kwagdy/koding-1,cihangir/koding,alex-ionochkin/koding,koding/koding,andrewjcasal/koding,koding/koding,kwagdy/koding-1,koding/koding,rjeczalik/koding,acbodine/koding,rjeczalik/koding,andrewjcasal/koding,sinan/koding,usirin/koding,szkl/koding,koding/koding,jack89129/koding,rjeczalik/koding,jack89129/koding,andrewjcasal/koding,drewsetski/koding,jack89129/koding,andrewjcasal/koding,alex-ionochkin/koding,drewsetski/koding,usirin/koding,sinan/koding,rjeczalik/koding,kwagdy/koding-1,usirin/koding,drewsetski/koding,cihangir/koding,mertaytore/koding,koding/koding,kwagdy/koding-1